Russia, Canada, and China continue to dominate the rankings of the world ’s largest countries by land area. Russia covers an ...

252 million years ago, volcanic eruptions launched 100 trillion ... leading to the complete disappearance of tundra ecosystems.” Simply put, deserts near the equator turned tropical and cold ...

A swarm of earthquakes occurring over the past few weeks has intensified at a remote Alaska volcano dormant for over a century, a possible indication of an impending eruption. The Alaska Volcano ...